/Engine/Source/Runtime/Datasmith/DatasmithCore/Public/IDatasmithSceneElements.h
Get the parent actor of the Actor element, returns invalidTSharedPtrif the Actor is directly under the scene root
const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDatasmithActorElement](API\Runtime\DatasmithCore\IDatasmithActorElement) > & GetParentActor() const